1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eaa285d165e5d47210d98234a9f4038c46a4bca76f235c0022c55cc89317139. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/53e06ba8-f181-4b14-9077-b63dce70120a.json and https://artists.proofprofile.net/proofs/artist/53e06ba8-f181-4b14-9077-b63dce70120a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x386cf24a1b548207b900b34cc5dd2a2babc94550719779ec2deb5e58fba46052","isrc":"TCABR1397023","name":"Luz De Luna","registered_at":"2026-06-06T21:45:49Z","spotify_id":"0LvG3UXNhrQe0yyUjqlQGo","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386cf24a1b548207b900b34cc5dd2a2babc94550719779ec2deb5e58fba46052. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0LvG3UXNhrQe0yyUjqlQGo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LvG3UXNhrQe0yyUjqlQGo.
{"copyright_id":"0x256bb23acd211afbff29c376354e77f8c2ff3a58536738e09c602d3ad7f3838b","isrc":"TCABR1397030","name":"El Andariego (feat. Carlos Cuevas)","registered_at":"2026-06-06T04:18:06Z","spotify_id":"7JwIi6Y0BP7BFmH9toiCxE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256bb23acd211afbff29c376354e77f8c2ff3a58536738e09c602d3ad7f3838b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JwIi6Y0BP7BFmH9toiCxE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JwIi6Y0BP7BFmH9toiCxE.
{"copyright_id":"0xccd7aa7be76d5a1d338f52c2adfc88f8c4f6e4f83c09655ff36e1c2a0268c218","isrc":"TCABR1397034","name":"Total (feat. Sheyla)","registered_at":"2026-06-05T12:24:38Z","spotify_id":"5xRyAZQ57mj4JVy5tkMCB6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd7aa7be76d5a1d338f52c2adfc88f8c4f6e4f83c09655ff36e1c2a0268c218. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xRyAZQ57mj4JVy5tkMCB6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xRyAZQ57mj4JVy5tkMCB6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x104f305006504d84411330720ed6a2061379483f329b99a392d852d4dd3de765. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6egRHrU1C99AQCFmRpyPM5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6egRHrU1C99AQCFmRpyPM5.
{"copyright_id":"0xb61fc0d6254eebeec80497e6e0714dcfae0f0366b807868ed732e3061d43b412","isrc":"TCABR1397062","name":"Un Poco Mas (feat. Gualberto Castro)","registered_at":"2026-06-09T17:34:19Z","spotify_id":"486twWbbR1AJvTKLJWRUE7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61fc0d6254eebeec80497e6e0714dcfae0f0366b807868ed732e3061d43b412. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/486twWbbR1AJvTKLJWRUE7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/486twWbbR1AJvTKLJWRUE7.
{"copyright_id":"0xbe89cd98d91e52ea27f04fbcc4e5d706c79ce3cb954165c60a17b6e9963896cd","isrc":"TCABR1397066","name":"Un Viejo Amor (feat. Olivia Gorra)","registered_at":"2026-06-06T10:32:02Z","spotify_id":"2QWgyagyyEgZx3l2Aywp9N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe89cd98d91e52ea27f04fbcc4e5d706c79ce3cb954165c60a17b6e9963896cd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2QWgyagyyEgZx3l2Aywp9N.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2QWgyagyyEgZx3l2Aywp9N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1a47594d5165b5a9e1be47634fc272951cda6059292f9f2b8cb0d09aae427f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BVkVY18FSZuVk2fgslVBi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0BVkVY18FSZuVk2fgslVBi.
{"copyright_id":"0xe5ae94c69d5755cf7cce8d7c826e42a01d07eca605c2a97908093fc642f95b3e","isrc":"TCABR1397069","name":"Odiame (feat. Jas Devael)","registered_at":"2026-06-06T10:30:30Z","spotify_id":"2pQDbGcgaVX8XXNJnYjned","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ae94c69d5755cf7cce8d7c826e42a01d07eca605c2a97908093fc642f95b3e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2pQDbGcgaVX8XXNJnYjned.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pQDbGcgaVX8XXNJnYjned.
{"copyright_id":"0xf86f33b938c5f77c753aea161b2f5f1f19902ea96c74e603875e4b949dd9d62c","isrc":"TCABR1397071","name":"Rival (feat. Gibrann)","registered_at":"2026-06-06T10:32:06Z","spotify_id":"1hDmZeWcxmojVddBolm367","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86f33b938c5f77c753aea161b2f5f1f19902ea96c74e603875e4b949dd9d62c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1hDmZeWcxmojVddBolm367.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1hDmZeWcxmojVddBolm367.
Nuestro Juramento (feat. Alejandro Ugalde)
{"copyright_id":"0xae1c7fa8e70a96a94048ddf99cfb079efb89e15477b7ae27cea544be42af6bf3","isrc":"TCABR1397074","name":"Nuestro Juramento (feat. Alejandro Ugalde)","registered_at":"2026-06-07T07:24:08Z","spotify_id":"1xHecYZ4U9JLYRr4qXgJoG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1c7fa8e70a96a94048ddf99cfb079efb89e15477b7ae27cea544be42af6bf3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1xHecYZ4U9JLYRr4qXgJoG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xHecYZ4U9JLYRr4qXgJoG.
Golondrina Presumida (feat. Juan Mendoza)
{"copyright_id":"0x4bcdf92ee3b38891e47bde34fb4a6c1e6414530f873dd1f3e514ad87fdc0426e","isrc":"TCABR1397075","name":"Golondrina Presumida (feat. Juan Mendoza)","registered_at":"2026-06-07T14:25:35Z","spotify_id":"6Ko5fQjFQAcIO2PM2ca8Vq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bcdf92ee3b38891e47bde34fb4a6c1e6414530f873dd1f3e514ad87fdc0426e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Ko5fQjFQAcIO2PM2ca8Vq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ko5fQjFQAcIO2PM2ca8Vq.
{"copyright_id":"0x75f2b0e123258286b0ede29acf303ddc0ae13a0be50d0eb7cc77a238be1545e5","isrc":"TCABR1397076","name":"Sufriendo a Solas","registered_at":"2026-06-08T03:18:48Z","spotify_id":"2C3Fk2A8TnuCrL82GbFBlg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f2b0e123258286b0ede29acf303ddc0ae13a0be50d0eb7cc77a238be1545e5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2C3Fk2A8TnuCrL82GbFBlg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2C3Fk2A8TnuCrL82GbFBlg.
{"copyright_id":"0x3587c60d4027230af2d2b1df082ab05b8a77e48cf1f50cf066342be60bdb62ba","isrc":"TCADQ1846912","name":"Mientras Existas Tu","registered_at":"2026-06-08T20:51:17Z","spotify_id":"42NcP1kKgmUWYO6fLl2a31","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3587c60d4027230af2d2b1df082ab05b8a77e48cf1f50cf066342be60bdb62ba. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42NcP1kKgmUWYO6fLl2a31.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/42NcP1kKgmUWYO6fLl2a31.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x431b66b31206b4409be1ae0509c656181221091f31b72d93ef57a208a40f200a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1bJzOtxaoQYMD1IjTtSlFY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bJzOtxaoQYMD1IjTtSlFY.
{"copyright_id":"0x73fe654f12f27a1aa7b8a1bbd3faea4cceca36362bc52b5af7632a4f48182b8d","isrc":"TCADQ1846927","name":"Perfume de Gardenia","registered_at":"2026-06-06T17:49:13Z","spotify_id":"5CinkcYJXKpqdTXMNg9bZD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73fe654f12f27a1aa7b8a1bbd3faea4cceca36362bc52b5af7632a4f48182b8d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5CinkcYJXKpqdTXMNg9bZD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5CinkcYJXKpqdTXMNg9bZD.
{"copyright_id":"0xd2961de8176f9fe3ea10fc07896ab9c337fd7edf3cc052ec3b1dd42e9537c860","isrc":"TCADQ1846929","name":"Corazon de Acero","registered_at":"2026-06-18T17:24:27Z","spotify_id":"7HMBaXjYCy9P9UxtH6mzfp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2961de8176f9fe3ea10fc07896ab9c337fd7edf3cc052ec3b1dd42e9537c860. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HMBaXjYCy9P9UxtH6mzfp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HMBaXjYCy9P9UxtH6mzfp.
{"copyright_id":"0xfae1ae763432ad2eab8a454566af4d141040fa1d8b820ff689bb0869df5b19c7","isrc":"TCADQ1846934","name":"Regalame Esta Noche","registered_at":"2026-06-10T04:46:17Z","spotify_id":"2enihNgvPyfWxs3yHpNugn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae1ae763432ad2eab8a454566af4d141040fa1d8b820ff689bb0869df5b19c7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2enihNgvPyfWxs3yHpNugn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2enihNgvPyfWxs3yHpNugn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x231b40749f37f35446062d052938f152df154309949a553f7e351e2cb4e2b9a6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4v3LJiuEWM6mf9kNU42oKI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4v3LJiuEWM6mf9kNU42oKI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf92a8df639bcc8094c2b899b5c3657bb2ec9b3bde079e3519e3932b49758bdf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3MfdHcJoWcdJyrM4Kfe8BW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3MfdHcJoWcdJyrM4Kfe8BW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8fc531c2d3dfc4c49bd19474b4c2db049e8431cc3be2f1517b4bbbab81c511. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/521oj7qhOCPHsfULES9ynX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/521oj7qhOCPHsfULES9ynX.
Amaneci En Tus Brazos (Balada) (Grupera)